Home / 1,038,340.28-1,557,503.40-558,793.74

Finding the Fourth Proportional to 1,038,340.28, 1,557,503.40 and 558,793.74

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Solution

The fourth proportional to 1,038,340.28, 1,557,503.40 and 558,793.74 is: 838,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,340.28 : 1,557,503.40 = 558,793.74 : x
  2. Step 2: Convert to fraction form
    1,038,340.28/1,557,503.40 = 558,793.74/x
  3. Step 3: Cross multiply
    1,038,340.28x = 1,557,503.40 × 558,793.74
  4. Step 4: Simplify right side
    1,038,340.28x = 870,323,149,948.72
  5. Step 5: Solve for x
    x = 870,323,149,948.72/1,038,340.28
  6. Step 6: Final answer
    x = 838,186.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.